#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

union Un
{
	char c;//1
	int i; //4
};


int main()
{
	union Un u = {0};
	printf("%zd\n", sizeof(u));//4

	printf("%p\n", &u);
	printf("%p\n", &(u.i));
	printf("%p\n", &(u.c));

	return 0;
}